UK Product Handbook 2026 - Volume 1

Control systems Pressure reducing/surplussing valves

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Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P186-02) supplied with the product. Installation note Note that for use on steam, the spring housing must be below the pipework. A downstream pressure sensing pipe is also required. How to order Example: 1 off Spirax Sarco ½ " NPT SRV461S direct acting pressure reducing valve having a pressure range of 0.8 to 2.5 bar g. Spare parts The spare parts available are detailed below. No other parts are supplied as spares. Available spares Diaphragm and 'O' ring kit 6, 7, 8, 9, 16 How to order spares Always order spares by using the description given in the column headed 'Available spares' and state the size, model, pressure range and indicate whether it is a standard or Food+ variant. Example : 1 - Diaphragm and 'O' ring kit for a Spirax Sarco DN15 SRV463S pressure reducing valve with FEPM seat seal and having a pressure range of 0.8 to 2.5 bar for Food+.

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TI-P186-01 CTLS Issue 13

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SRV461S and SRV463S, SRV461S Food+ and SRV463S Food+ Stainless Steel Direct Acting Pressure Reducing Valves

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